Air purifier



FIG. 1 is a front, right and top perspective view of an air purifier,showing our design;

FIG. 2 is a rear, left and bottom perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a cross-sectional view of the air purifier taken along sectionline 9-9 as depicted in FIG. 3 ;

FIG. 10 is an enlarged detail view of the encircled area of FIG. 1labeled “10”;

FIG. 11 is an enlarged detail view of the encircled area of FIG. 1labeled “11”; and,

FIG. 12 is an enlarged detail view of the encircled area of FIG. 1labeled “12”.

The broken lines shown in the drawings are included for the purpose ofillustrating portions of the air purifier that form no part of theclaimed design.

CLAIM The ornamental design for an air purifier, as shown and described.